Question

in a parallelogramABCD angle A =120°,state the measures of angle B and angle C​

Answer 1

Answer:

1) Opposite angles in a parallelogram are equal.

2) Adjacent angles in a parallelogram are supplementary (sumis180

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)

∴∠B=∠D=135

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(opposite angles)

∠A+∠B=180

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(adjacent angles)

∠A=180−135

∠A=45

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solution

Step-by-step explanation:

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Answer 2

Answer:

1st answer is correct.......